Component Leds; Juniper Networks Technical Assistance Center; Troubleshooting Hardware - Juniper MX240 Hardware Manual

See Also
Copyright © 2019, Juniper Networks, Inc.
FPC LEDs—Two LEDs,
OK
and red indicates a failure. The FPC LEDs are located along the bottom of the craft
interface.
SCB LEDs—Two LEDs, OK
OK and red indicates a failure. The SCB LEDs are located on the left of the craft interface
along the bottom.
Fan LEDs—Two LEDs indicate the status of the fans. Green indicates the fans are
functioning normally and red indicates a fan has failed. The fan LEDs are located on
the upper left of the craft interface.

Component LEDs

The following LEDs are located on various router components and display the status of
those components:
DPC LED—One LED labeled
For more information, see the
FPC LED—One LED labeled
PIC LED—One LED labeled
For more information, see the
SCB LEDs—Three LEDs, labeled
SCB faceplate indicate the status of the SCB. If no LEDs are lit, the master RE might
still be booting or the SCB is not receiving power.
Routing Engine LEDs—Four LEDs, labeled
Routing Engine faceplate indicate the status of the Routing Engine and hard disk drive.
Power supply LEDs—Two LEDs on each power supply faceplate indicate the status of
that power supply.

Juniper Networks Technical Assistance Center

If you need assistance during troubleshooting, you can contact the Juniper Networks
Technical Assistance Center (JTAC) by using the Web or by telephone. For more
information see "Contacting Customer Support" on page
MX240 SCB-MX Description
MX240 Routing Engine Description on page 59
MX240 Craft Interface Overview on page 35
MX240 Component LEDs on the Craft Interface on page 36
MX240 Alarm LEDs and Alarm Cutoff/Lamp Test Button on page 36
MX240 Alarm Relay Contacts on the Craft Interface on page 35
MX240 AC Power Supply Description on page 42
MX240 DC Power Supply Description on page 48
and , indicate the status of an FPC. Green indicates OK
FAIL
and FAIL , indicate the status of each SCB. Green indicates
on each DPC faceplate indicates the DPC's status.
OK/FAIL
MX Series Interface Module Reference
on each FPC faceplate indicates the FPC's status.
OK/FAIL
on each PIC faceplate indicates the PIC's status.
OK/FAIL
MX Series Interface Module Reference
,
FABRIC ACTIVE FABRIC ONLY
,
MASTER HDD
Chapter 5: Troubleshooting Hardware
.
.
, and , on each
OK/FAIL
, , and on each
ONLINE FAIL
361.
349